package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlResource entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see idv.loveloser.dao.MdlResource
 * @author MyEclipse Persistence Tools
 */

public class MdlResourceDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlResourceDAO.class);
	// property constants
	public static final String COURSE = "course";
	public static final String NAME = "name";
	public static final String INTRO = "intro";
	public static final String INTROFORMAT = "introformat";
	public static final String TOBEMIGRATED = "tobemigrated";
	public static final String LEGACYFILES = "legacyfiles";
	public static final String LEGACYFILESLAST = "legacyfileslast";
	public static final String DISPLAY = "display";
	public static final String DISPLAYOPTIONS = "displayoptions";
	public static final String FILTERFILES = "filterfiles";
	public static final String REVISION = "revision";
	public static final String TIMEMODIFIED = "timemodified";

	public void save(MdlResource transientInstance) {
		log.debug("saving MdlResource instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlResource persistentInstance) {
		log.debug("deleting MdlResource instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlResource findById(java.lang.Long id) {
		log.debug("getting MdlResource instance with id: " + id);
		try {
			MdlResource instance = (MdlResource) getSession().get(
					"idv.loveloser.dao.MdlResource", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlResource instance) {
		log.debug("finding MdlResource instance by example");
		try {
			List results = getSession()
					.createCriteria("idv.loveloser.dao.MdlResource")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlResource instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from MdlResource as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByCourse(Object course) {
		return findByProperty(COURSE, course);
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByIntro(Object intro) {
		return findByProperty(INTRO, intro);
	}

	public List findByIntroformat(Object introformat) {
		return findByProperty(INTROFORMAT, introformat);
	}

	public List findByTobemigrated(Object tobemigrated) {
		return findByProperty(TOBEMIGRATED, tobemigrated);
	}

	public List findByLegacyfiles(Object legacyfiles) {
		return findByProperty(LEGACYFILES, legacyfiles);
	}

	public List findByLegacyfileslast(Object legacyfileslast) {
		return findByProperty(LEGACYFILESLAST, legacyfileslast);
	}

	public List findByDisplay(Object display) {
		return findByProperty(DISPLAY, display);
	}

	public List findByDisplayoptions(Object displayoptions) {
		return findByProperty(DISPLAYOPTIONS, displayoptions);
	}

	public List findByFilterfiles(Object filterfiles) {
		return findByProperty(FILTERFILES, filterfiles);
	}

	public List findByRevision(Object revision) {
		return findByProperty(REVISION, revision);
	}

	public List findByTimemodified(Object timemodified) {
		return findByProperty(TIMEMODIFIED, timemodified);
	}

	public List findAll() {
		log.debug("finding all MdlResource instances");
		try {
			String queryString = "from MdlResource";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlResource merge(MdlResource detachedInstance) {
		log.debug("merging MdlResource instance");
		try {
			MdlResource result = (MdlResource) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlResource instance) {
		log.debug("attaching dirty MdlResource instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlResource instance) {
		log.debug("attaching clean MdlResource instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}